This patch introduces A15 as a target in Clang.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@163804 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/lib/Driver/ToolChain.cpp b/lib/Driver/ToolChain.cpp
index 48ed044..df09c20 100644
--- a/lib/Driver/ToolChain.cpp
+++ b/lib/Driver/ToolChain.cpp
@@ -119,7 +119,7 @@
     .Cases("arm1136j-s",  "arm1136jf-s",  "arm1176jz-s", "v6")
     .Cases("arm1176jzf-s",  "mpcorenovfp",  "mpcore", "v6")
     .Cases("arm1156t2-s",  "arm1156t2f-s", "v6t2")
-    .Cases("cortex-a8", "cortex-a9", "v7")
+    .Cases("cortex-a8", "cortex-a9", "cortex-a15", "v7")
     .Case("cortex-m3", "v7m")
     .Case("cortex-m4", "v7m")
     .Case("cortex-m0", "v6m")